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Large low field magnetoresistance in ultrathin nanocrystalline magnetite films at room temperature
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10.1063/1.2783191
/content/aip/journal/apl/91/10/10.1063/1.2783191
http://aip.metastore.ingenta.com/content/aip/journal/apl/91/10/10.1063/1.2783191
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

(Color online) (a) Typical x-ray diffraction pattern of nanocrystalline films after RTA treatment. (b) The high-resolution XPS spectrum of the Fe region and the inset is a typical surface AFM image.

Image of FIG. 2.
FIG. 2.

(a) Magnetic hysteresis loops at 5, 200, and , respectively. The insets show the low field details with H‖film plane (left) and H⊥film plane (right). (b) The magnetization as a function of temperature measured under ZFC and FC conditions, respectively.

Image of FIG. 3.
FIG. 3.

Resistivity as a function of temperature and vs in the inset.

Image of FIG. 4.
FIG. 4.

LFMR data (symbols) compared with the simulated results (solid lines) at (a) 300 and (b) .

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/content/aip/journal/apl/91/10/10.1063/1.2783191
2007-09-07
2014-04-20
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Large low field magnetoresistance in ultrathin nanocrystalline magnetite Fe3O4 films at room temperature
http://aip.metastore.ingenta.com/content/aip/journal/apl/91/10/10.1063/1.2783191
10.1063/1.2783191
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